The ratio of two numbers is 3:4 and their LCM is 84, find the number-

The selling price of an article is Tk. 39. If its cost price is numerically equal to its profit precent, then...

A takes thrice s long do a price of work, as B takes. A&B together can finish a price of work in 15 days. A lo...

When 4 is added to one half of a number, the result is 14. What is the number?

If a, b and c not equal to 0 or 1 and if = b,=c, and =a, then xyz is-

A man spends 75% of his income. His income increases by 20% & his expenditure increases by 15%. His saving are...

A shopkeeper lost 7.5% by selling an article. If he had bought it at 10% less and sold it for taka 31 more he...